General description The pack of 10 hexagonal head concrete screws with a base/collar Ø12x100 mm allows for direct fixing without the need for plugs. These screws are designed for easy installation in concrete and solid materials, making them ideal for renovation projects. They are particularly effective for fastening close to edges and can support heavy loads in various materials including concrete, solid brick, cracked concrete, masonry, and solid concrete blocks. Technical specifications Screw diameter: Ø12 mm Screw length under the head: 100 mm Total screw length: 109 mm Pre-drilled hole diameter: 10 mm Hex key size: 14 mm Maximum thickness of the part to be fastened: 10 mm Unit weight: 70.30 g Material: Steel Color: Silver Installation A pre-drilled hole in the concrete is required for installation. It is recommended to clean the hole before inserting the screw. Fastening can be done using a wrench, impact drill, or ratchet wrench. Ensure to pay attention to the diameter of the